Other features added in preview, Almost listed more than 25 under this section.

On July 24th Power BI Desktop will exit preview and become generally available. Power BI Desktop is a free tool, downloadable from powerbi.com. While other vendors charge thousands of dollars per seat for this class of software, we prefer to make it widely and freely available ultimately resulting in far more content in Power BI, which leads to a larger and more engaged end user community.

Also this one

Open sourcing the Power BI visualization stack and visuals

Today we contributed the source code of our visualization framework and the complete collection of native visuals supported by Power BI and Power BI Desktop to the open source community under the permissive MIT license. This is not a point in time snapshot, or some set of samples. This is the actual code base we are enhancing and using inside Power BI and Power BI Desktop – the project is available today on GitHub.

Microsoft continues to make it easier for customers to maximize their data dividends with our data platform and services. It’s never been easier to capture, transform, mash-up, analyze and visualize any data, of any size, at any scale, in its native format using familiar tools, languages and frameworks in a trusted environment on-premises and in the cloud.